1) noise in machine shop
车间噪声[声]
3) car noise,traffic noise
汽车噪声<声>
4) vehicle interior noise
车内噪声
1.
Subjective evaluation test and objective quantificational description of vehicle interior noise quality;
车内噪声品质的主观评价试验与客观量化描述
2.
Inquiry-based teaching experiment of objective and subjective evaluation of vehicle interior noise
车内噪声品质主客观评价探究式教学实验
3.
The evaluation method to analyse the transmission loss of vehicle interior noise is presented.
针对车内噪声主要构成之一发动机透过声的特点，研究了对其控制指标透过损失的评价方法。
5) vehicle noise
车辆噪声
1.
Evaluation and amelioration of sound quality has become a new trend in the field of vehicle noise control.
车辆声品质的评价和改进是车辆噪声控制领域新的发展趋势,而听审实验是声品质主观评价的基础。
6) automobile noise
汽车噪声
1.
In this paper,it analyzes the mechanism of automobile noise polytechnic and routes of noise propagation,expoundes the research of active control and passive control of the vibration and noise reduction control technology of automobile.
从汽车噪声的产生机理入手,分析了噪声传播的途径,从主动控制与被动控制两方面对汽车减振降噪技术进行了研究,介绍了实际应用的降噪方法。
补充资料：噪声等效声级（简称LEQ）
噪声等效声级（简称LEQ）：是指在规定的时间内，某一连续稳态声的A\[计权\]声压，具有与时变的噪声相同的均方A\[计权\]声压，则这一连续稳态声的声级，就是此时变噪声的等效声级。噪声等效声级(分贝）数值越小越好。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条